– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Tue 24 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Tue 24 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Tue 24 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMild with heavy rain (total 23mm), heaviest during Tue night. Becoming colder with a moderate fall of snow heaviest on Wed afternoon. Freeze-thaw conditions (max 8°C on Fri afternoon, min -2°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 6mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -4°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  |  |  | | |  | | |  | | | | |
heavy rain | light rain | light snow | mod. snow | light snow | rain shwrs | clear | cloudy | some clouds | some clouds | cloudy | light rain | light rain | rain shwrs | light rain | snow shwrs | cloudy | light rain | clear | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | 4 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | |
21 | 0.8 | 0.9 | — | — | 1 | — | — | — | — | — | 0.1 | 0.9 | 0.1 | 4 | — | — | 0.3 | — | |
max °C | 6 | 4 | 4 | 0 | 1 | 3 | 0 | 6 | 8 | 4 | 6 | 7 | 4 | 4 | 4 | 1 | 0 | 2 | -1 |
min °C | 2 | 2 | 1 | -2 | -1 | 3 | -2 | 1 | 7 | 3 | 3 | 6 | 2 | 2 | 3 | -4 | -3 | 2 | -3 |
1 | -1 | -3 | -5 | -1 | 2 | -4 | 0 | 7 | 3 | 3 | 5 | 2 | 0 | 0 | -4 | -3 | 1 | -3 | |
1050 | 1000 | 650 | 400 | 700 | 900 | 0 | 1650 | 1700 | 1750 | 1450 | 1350 | 950 | 1000 | 950 | 0 | 550 | 800 | 0 | |
Cloud base (m) | 600 | 800 | 750 | 650 | 800 | 1000 | 650 | 600 | 2550 | 600 | 600 | 900 | 700 | 600 | 600 | 650 | 600 | 750 | 800 |
 | — | 7:01 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | — | 7:27 | — | — | 7:29 | — | — | 7:30 | — | — | 7:31 | — | — | 7:32 | — | — | 7:35 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mild with heavy rain (total 23mm), heaviest during Tue night. Becoming colder with a moderate fall of snow heaviest on Wed afternoon. Freeze-thaw conditions (max 8°C on Fri afternoon, min -2°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -4°C on Sun night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.